Trial of cromoglycate and slow-release aminophylline in perennial childhood asthma.
D000628:Aminophylline / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D004205:Cromolyn Sodium / Q000627:therapeutic use*; D003692:Delayed-Action Preparations; D006801:Humans
D003692:Delayed-Action Preparations; D000628:Aminophylline; D004205:Cromolyn Sodium